Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model

doi:10.1088/1674-1056/23/5/050401

中国物理B ›› 2014, Vol. 23 ›› Issue (5): 50401-050401.doi: 10.1088/1674-1056/23/5/050401

Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model

魏益焕, 兰天葆, 张月竹, 付妍妍

Department of Physics, Bohai University, Jinzhou 121000, China

收稿日期:2013-08-20 修回日期:2013-10-10 出版日期:2014-05-15 发布日期:2014-05-15
基金资助:
Project supported by the National Natural Science Foundation of China and the Liaoning Education Committee of China (Grant No. 2009A036).

Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model

Wei Yi-Huan (魏益焕), Lan Tian-Bao (兰天葆), Zhang Yue-Zhu (张月竹), Fu Yan-Yan (付妍妍)

Department of Physics, Bohai University, Jinzhou 121000, China

Received:2013-08-20 Revised:2013-10-10 Online:2014-05-15 Published:2014-05-15
Contact: Wei Yi-Huan E-mail:weiyihuan@263.net
About author:04.70.Dy; 04.62.+v
Supported by:
Project supported by the National Natural Science Foundation of China and the Liaoning Education Committee of China (Grant No. 2009A036).

摘要/Abstract

摘要： The mechanical property of the thermal-equilibrium Friedmann-Robertson-Walker (TEFRW) universe is first studied. The equation of state and the scale factor of the TEFRW universe take the forms of w=w(a;z_T) and a=a(a;z_T,H₀). For the universe consisting of the nonrelativistic matter and the dark energy, the behavior of the dark energy depends on the value of the present-day matter fraction. For the TEFRW universe consisting of N ingredients, the effective temperature is introduced. Lastly, a simple TEFRW universe model is analyzed.

关键词: TEFRW universe, dark energy, effective temperature

Abstract: The mechanical property of the thermal-equilibrium Friedmann-Robertson-Walker (TEFRW) universe is first studied. The equation of state and the scale factor of the TEFRW universe take the forms of w=w(a;z_T) and a=a(a;z_T,H₀). For the universe consisting of the nonrelativistic matter and the dark energy, the behavior of the dark energy depends on the value of the present-day matter fraction. For the TEFRW universe consisting of N ingredients, the effective temperature is introduced. Lastly, a simple TEFRW universe model is analyzed.

Key words: TEFRW universe, dark energy, effective temperature

中图分类号: (Quantum aspects of black holes, evaporation, thermodynamics)

04.70.Dy

04.62.+v (Quantum fields in curved spacetime)

魏益焕, 兰天葆, 张月竹, 付妍妍. Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model[J]. 中国物理B, 2014, 23(5): 50401-050401.

Wei Yi-Huan (魏益焕), Lan Tian-Bao (兰天葆), Zhang Yue-Zhu (张月竹), Fu Yan-Yan (付妍妍). Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model[J]. Chin. Phys. B, 2014, 23(5): 50401-050401.

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Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model

Mechanical properties of the thermal equilibrium Friedmann-Robertson-Walker universe model

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